<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./bootstrap.css">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
    <style>
        .col{
            background-color: red;
        }
    </style>
</head>

<body>

    <div class="container">
        <div class="row gap-4 col-sm">
            <div class="col ">
                One of three columns
            </div>
            <div class="col">
                One of three columns
            </div>
            <div class="col">
                One of three columns
            </div>
        </div>
    </div>
</body>

</html>